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BACKGROUND: Navigable, large diameter aspiration catheters demonstrate markedly improved recanalization rates over smaller lumen devices in suction embolectomy. We evaluated the performance of a novel aspiration catheter system designed to maximize lumen size, and compare it to other commercially available aspiration catheters. METHODS: Q system. RESULTS: Q 6F increased on retraction into the guide catheter, delivering a 58.2% increase from fully extended to fully retracted. CONCLUSION: Q design demonstrates a substantial increase in aspirated flow rate and suction force due to an increased effective diameter than standard tubular catheter designs tested. The prominent increase in the aspiration parameters measured in vitro supports the potential for improved clinical results during stroke thrombectomy procedures.
Long et al. (Mon,) studied this question.
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